153720320

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 160

約数和(自身を含む): 412473600

約数和(自身を除く): 258753280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 149, 155, 160, 208, 248, 256, 260, 298, 310, 320, 403, 416, 496, 512, 520, 596, 620, 640, 745, 806, 832, 992, 1040, 1192, 1240, 1280, 1490, 1612, 1664, 1937, 1984, 2015, 2080, 2384, 2480, 2560, 2980, 3224, 3328, 3874, 3968, 4030, 4160, 4619, 4768, 4960, 5960, 6448, 6656, 7748, 7936, 8060, 8320, 9238, 9536, 9685, 9920, 11920, 12896, 15496, 15872, 16120, 16640, 18476, 19072, 19370, 19840, 23095, 23840, 25792, 30992, 32240, 33280, 36952, 38144, 38740, 39680, 46190, 47680, 51584, 60047, 61984, 64480, 73904, 76288, 77480, 79360, 92380, 95360, 103168, 120094, 123968, 128960, 147808, 154960, 184760, 190720, 206336, 240188, 247936, 257920, 295616, 300235, 309920, 369520, 381440, 480376, 495872, 515840, 591232, 600470, 619840, 739040, 960752, 991744, 1031680, 1182464, 1200940, 1239680, 1478080, 1921504, 2364928, 2401880, 2479360, 2956160, 3843008, 4803760, 4958720, 5912320, 7686016, 9607520, 11824640, 15372032, 19215040, 30744064, 38430080, 76860160, 153720320]

約数ペア:

[(1, 153720320), (2, 76860160), (4, 38430080), (5, 30744064), (8, 19215040), (10, 15372032), (13, 11824640), (16, 9607520), (20, 7686016), (26, 5912320), (31, 4958720), (32, 4803760), (40, 3843008), (52, 2956160), (62, 2479360), (64, 2401880), (65, 2364928), (80, 1921504), (104, 1478080), (124, 1239680), (128, 1200940), (130, 1182464), (149, 1031680), (155, 991744), (160, 960752), (208, 739040), (248, 619840), (256, 600470), (260, 591232), (298, 515840), (310, 495872), (320, 480376), (403, 381440), (416, 369520), (496, 309920), (512, 300235), (520, 295616), (596, 257920), (620, 247936), (640, 240188), (745, 206336), (806, 190720), (832, 184760), (992, 154960), (1040, 147808), (1192, 128960), (1240, 123968), (1280, 120094), (1490, 103168), (1612, 95360), (1664, 92380), (1937, 79360), (1984, 77480), (2015, 76288), (2080, 73904), (2384, 64480), (2480, 61984), (2560, 60047), (2980, 51584), (3224, 47680), (3328, 46190), (3874, 39680), (3968, 38740), (4030, 38144), (4160, 36952), (4619, 33280), (4768, 32240), (4960, 30992), (5960, 25792), (6448, 23840), (6656, 23095), (7748, 19840), (7936, 19370), (8060, 19072), (8320, 18476), (9238, 16640), (9536, 16120), (9685, 15872), (9920, 15496), (11920, 12896)]